From: Ben Skeggs Date: Fri, 4 May 2012 04:21:15 +0000 (+1000) Subject: drm/nv84/ttm: use crypto engine for async buffer copies X-Git-Tag: upstream/snapshot3+hdmi~7394^2^2~11 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4c193d254ee94da02857b9670e815b1765a9579b;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git drm/nv84/ttm: use crypto engine for async buffer copies Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 6e78b1a..f596354 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -562,6 +562,24 @@ nvc0_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, } static int +nv84_bo_move_exec(struct nouveau_channel *chan, struct ttm_buffer_object *bo, + struct ttm_mem_reg *old_mem, struct ttm_mem_reg *new_mem) +{ + struct nouveau_mem *node = old_mem->mm_node; + int ret = RING_SPACE(chan, 7); + if (ret == 0) { + BEGIN_NV04(chan, NvSubCopy, 0x0304, 6); + OUT_RING (chan, new_mem->num_pages << PAGE_SHIFT); + OUT_RING (chan, upper_32_bits(node->vma[0].offset)); + OUT_RING (chan, lower_32_bits(node->vma[0].offset)); + OUT_RING (chan, upper_32_bits(node->vma[1].offset)); + OUT_RING (chan, lower_32_bits(node->vma[1].offset)); + OUT_RING (chan, 0x00000000 /* MODE_COPY, QUERY_NONE */); + } + return ret; +} + +static int nv50_bo_move_init(struct nouveau_channel *chan, u32 handle) { int ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfe0, 0x1000, @@ -821,6 +839,7 @@ nouveau_bo_move_init(struct nouveau_channel *chan) } _methods[] = { { "COPY", 0xa0b5, nve0_bo_move_copy, nvc0_bo_move_init }, { "M2MF", 0x9039, nvc0_bo_move_m2mf, nvc0_bo_move_init }, + { "CRYPT", 0x74c1, nv84_bo_move_exec, nv50_bo_move_init }, { "M2MF", 0x5039, nv50_bo_move_m2mf, nv50_bo_move_init }, { "M2MF", 0x0039, nv04_bo_move_m2mf, nv04_bo_move_init }, {}